Square level



FIG. 1 is a perspective view of a square level;

FIG. 2 is a left side elevational view of FIG. 1, and as the left side and right side elevational views are substantially mirror images of one another only the left side elevational view is shown;

FIG. 3 is a top plan view of FIG. 1;

FIG. 4 is a front elevational view of FIG. 1;

FIG. 5 is a rear elevational view of FIG. 1; and,

FIG. 6 is a bottom plan view of FIG. 1. 

The ornamental design for a square level, as shown and described. 